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Tap-Tap Sumo is a Gaddget in Mario Party Advance. It is unlocked by completing the Mysterious Riddles quest. It is based on the children's game of kamizumo (紙相撲), or paper wrestling. The player and a friend control two Galoombas, one red, the other blue. To control the blue Galoomba, the player needs to tap the . For the red one, the player use and . Both players need to tap those buttons to knock each other off balance. After somebody falls, a fan with a sun and moon on it goes over the screen and the game restarts. It is actually possible to tilt the Galoombas into another direction by using the and buttons.
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